<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<script>
    var persons = {
        name : "hs",
        run: function () {
            console.log(this.name+"run....");
        }
    };
    var jj2 = {
        name:"jj"
    };
    jj2.__proto__ = persons;
    console.log(jj2.run())
</script>
</body>
</html>